chore: update readme (#36)

* chore: update readme

* Update README.md

---------

Co-authored-by: Kevin Deng 三咲智子 <sxzz@sxzz.moe>

Author: ErKeLost

README.md

@@ -9,7 +9,7 @@
 - 🚀 **Fast**: Generates `.d.ts` files significantly faster than `tsc`.
 - 🎨 **Transformer**: Support Oxc, SWC, and TypeScript transformer.
 - 📦 **Zero Config**: No configuration required, works out of the box.
-- ✨ **Bundler Support**: Works with Vite, Rollup, and esbuild.
+- ✨ **Bundler Support**: Works with Vite, Rollup, esbuild and Farm.
 
 ## Installation
 
@@ -79,6 +79,20 @@ build({
 
 <br></details>
 
+<details>
+<summary>Farm</summary><br>
+
+```ts
+// farm.config.ts
+import UnpluginIsolatedDecl from 'unplugin-isolated-decl/farm'
+
+export default defineConfig({
+  plugins: [UnpluginIsolatedDecl()],
+})
+```
+
+<br></details>
+
 ## Options
 
 ```ts